Fabrication of nanostructures using atomic force microscope assisted nanolithography 2

... R F Science 20 02, 29 8, 23 22 29 Brown, D H.; Smith, W E Chem Soc Rev 1980, 9, 21 7 30 Frens, G Nature: Phys Sci 1973, 24 1, 20 31 Schmid, G Clusters and Colloids, VCH, Weinheim, 1994 32 Bradley, ... New functions Bottom up 1960 1970 1980 1990 20 00 20 10 20 20 20 30 Figure 1 .2 Schematic representation of evolution of top-down and bottom approach for nanofabrication On the...

Ngày tải lên: 14/09/2015, 11:38

... properties of the patterns are investigated A brief summary of the concepts of nanofabrication, various lithography technique, atomic force microscope technique and nanolithography of polymer ... Discussion 172 7.3.1 Nanofabrication of oligomer of 173 7.3 7.3.1.1 Patterning of hydrophilic oligomer 173 7.3.1.2 Patterning of amphiphilic oligomer 175 7.3.1.3 Patterning o...

Ngày tải lên: 12/09/2015, 11:29

... present technique in quantum computation using site-controlled semiconductor QDs [22] In a proposed model of quantum computer [23], one qubit consists of a big QD as the main dot and a few small QDs ... dots belonging to neighboring qubits Figure 4b shows such a QDs structure fabricated by the present technique The big and small dots are ~30 and ~20 nm in diameter and the center...

Ngày tải lên: 22/06/2014, 22:20

... scanned over the silicon surface at speed of 0.1– m=s leads to an 0.2–2 nm-thick oxide pattern of width 20 –60 nm The oxide features formed by AFM lithography can be then transferred to the silicon ... supported on an insulating layer (Fig 1) As-doped Unibond J silicon- on-insulator (SOI) samples with an ultra-thin single- crystal silicon top layer (typically 15 –20 nm) we...

Ngày tải lên: 16/03/2014, 15:15

... cytosolic and luminal sides In addition, the theoretical ratio of the total amount of amino acids on the cytosolic and luminal sides was calculated as 2.31 : (data not shown), verifying the efcacy of ... nonrandom and sequestered association of V-PPase subunits within the vacuolar membrane Furthermore, the structures of puried V-PPases from pumpkin (Cucurbita sp...

Ngày tải lên: 16/03/2014, 02:20

... Summary Topographical imaging and force imaging by the Atomic Force Microscopy (AFM) has been applied on three kinds of human Red Blood Cells (RBC) dehydrated RBC, swollen RBC and fresh RBC in PBS ... the AFM images of living cells and is the paramount element that determines the micro -mechanical properties of cells Studies show quantitatively and quali...

Ngày tải lên: 30/09/2015, 14:23

... semiconductor substrate using a porous alumina film as a mask, pattern transfer using porous alumina as a template, deposition of functional materials in the form of porous alumina nanohole arrays ... PL intensity of the porous alumina film fabricated using oxalic acid and annealed above 400◦ C is stronger than that of porous silicon The PL intensity of porous...

Ngày tải lên: 19/03/2014, 16:48

... doi:10.1186/1556-276X-6-550 Cite this article as: Ahn et al.: Nano-structure fabrication of GaAs using AFM tip-induced local oxidation method: different doping types and plane orientations Nanoscale Research Letters ... height profiles of p -GaAs( 100), n -GaAs( 100), pGaAs(711), and n -GaAs( 711) As a function of the applied bias voltages and the loading...

Ngày tải lên: 20/06/2014, 22:20

... Nanopatterning on silicon surface using atomic force microscopy with diamond-like carbon (DLC)-coated Si probe Nanoscale Research Letters 2011 6:518 Submit your manuscript to a journal and benefit from: Convenient ... nickel-iron thin film and silicon using atomic force Microscopy J Appl Phys 2009, 106:044314 29 Fonseca Filho HD, Maurício MHP, Ponciano CR, P...

Ngày tải lên: 21/06/2014, 00:20

... dissection and Figure Topographic AFM micrograph of chromosomes after DNA extraction Upon localization of the chromosome region to be dissected the AFM microscope is switched in Contact Nanolithography ... regions, identified by topographic banding, to perform the nanodissection experiments Upon localization of the chromosome region to be dissected the AFM microscope is switched...

Ngày tải lên: 11/08/2014, 00:23

... phân giải nanômet  Hiện nay, AFM loại phổ biến kính hiển vi đầu dò quét How AFM WORK How AFM WORK Đầu dò: phận quan trọng ảnh hưởng đến độ phân giải AFM How AFM WORK Cần quét (cantiliver) ... giải cao (x, y: 0.1nm ;z: 0.01nm)  Hạn chế: vật liệu dẫn điện Gerd Binnig, Calvin Quate AFM (Atomic Force Microscope)  Đầu dò chạm vào mẫu  Duy trì lực không đổi khoảng cách đ...

Ngày tải lên: 25/05/2015, 23:15

... điện tử Máy AFM thao tác nhiều chế độ khác AFM đo cho vật dẫn điện cách điện ƯU ĐIỂM VÀ NHƯỢC ĐIỂM: Ưu điểm: Là thiết bị nhạy đo lực nhỏ khoảng cách nhỏ đường kính sợi tóc trăm lần AFM cung cấp ... cách điện Mẫu chuẩn bị đơn giản,cho thông tin đầy đủ so với hình ảnh hiển vi điện tử truyền qua AFM làm việc điều kiện bình thường  Thiết bị xác định thành phần cấu trúc địa phương cách...

Ngày tải lên: 25/05/2015, 23:29

... Results A large area of HCP monolayer of silica microspheres was formed as shown in Fig 5a The Scanning Electron Fig (a) A typical SEM image of a large area of uniform nanopillars of photoresist ... development; (b) the enlarged view of the nanopillars Fig (a) A typical SEM image of a large area of HCP monolayer of silica microspheres forming on top of photores...

Ngày tải lên: 22/06/2014, 01:20

... protruding LH2 rings, approximately 120 ° (Fig 2A) and 90° (Fig 2B), indicated two types of zig-zag lattice The inset of Fig 2A shows a high-magnification image of LH2 rings embedded in the 2D crystals ... 7.0 15.0 7.0 12. 0 E 5.3 7.1 10.9 LH2 density (µm 2) F 22 000 21 20 8 21 22 4 21 000 20 408 20 000 19 047 19 000 18 367 Strongly protruding LH2 (up) 18 000 A B C D E up-L...

Ngày tải lên: 18/02/2014, 18:20

... Fabrication of high-aspect-ratio micro structures using 21 (HARM) for a variety of MEMS applications Modifications and/or improvements of the UV lithography system and processing ... Fabrication of high-aspect-ratio micro structures using 25 The SU8 mold was then removed by heating in PG Remover in 10hrs Fig illustrates the SEM image of nickel comb structure with the f...

Ngày tải lên: 05/03/2014, 14:20